SinIntegral (Built-in Mathematica Symbol)

SinIntegral[z] gives the sine integral function Si(z).

SkellamDistribution (Built-in Mathematica Symbol)

SkellamDistribution[\[Mu]_1, \[Mu]_2] represents a Skellam distribution with shape parameters \[Mu]_1 and \[Mu]_2.

StepMonitor (Built-in Mathematica Symbol)

StepMonitor is an option for iterative numerical computation functions that gives an expression to evaluate whenever a step is taken by the numerical method used.

StringReplace (Built-in Mathematica Symbol)

StringReplace["string", s -> sp] or StringReplace["string", {s_1 -> sp_1, s_2 -> sp_2, ...}] replaces the string expressions s_i by sp_i whenever they appear as substrings of ...

StringSplit (Built-in Mathematica Symbol)

StringSplit["string"] splits " string" into a list of substrings separated by whitespace. StringSplit["string", patt] splits into substrings separated by delimiters matching ...

WaitAll (Built-in Mathematica Symbol)

WaitAll[expr] waits for all concurrent evaluations represented by EvaluationObject expressions in expr to finish, then returns the resulting expression obtained.

WalleniusHypergeometricDistribution (Built-in Mathematica Symbol)

WalleniusHypergeometricDistribution[n, n_succ, n_tot, w] represents a Wallenius noncentral hypergeometric distribution.

WeatherData (Built-in Mathematica Symbol)

WeatherData[loc, " property"] gives the most recent measurement for the specified weather property at the location corresponding to loc.WeatherData[loc, " property", date] ...

Contexts (Mathematica Tutorial)

It is always a good idea to give variables and functions names that are as explicit as possible. Sometimes, however, such names may get inconveniently long. In Mathematica, ...

Convolutions and Correlations (Mathematica Tutorial)

Convolution and correlation are central to many kinds of operations on lists of data. They are used in such areas as signal and image processing, statistical data analysis, ...